28766517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 42725760

約数和(自身を除く): 13959243

約数列:

[1, 3, 13, 39, 67, 101, 109, 201, 303, 327, 871, 1313, 1417, 2613, 3939, 4251, 6767, 7303, 11009, 20301, 21909, 33027, 87971, 94939, 143117, 263913, 284817, 429351, 737603, 2212809, 9588839, 28766517]

約数ペア:

[(1, 28766517), (3, 9588839), (13, 2212809), (39, 737603), (67, 429351), (101, 284817), (109, 263913), (201, 143117), (303, 94939), (327, 87971), (871, 33027), (1313, 21909), (1417, 20301), (2613, 11009), (3939, 7303), (4251, 6767)]